\usepackage{fancyhdr}
\pagestyle{fancy}
\fancyfoot{}
\usepackage{xeCJK}
% 设置页面间距
\usepackage[top=1in, bottom=1in, left=1.25in, right=1.25in]{geometry}
% 设置字体
\setCJKmainfont[BoldFont=SimHei, ItalicFont=KaiTi]{SimSun}
\setCJKmonofont[Scale=0.9]{DejaVu Sans Mono}
\setCJKfamilyfont{song}[BoldFont=SimSun]{SimSun}
\setCJKfamilyfont{sf}[BoldFont=SimSun]{SimSun}
